A human body that is performing light work generates about 650 BTUs of body heat per hour. If a storage room that is 20 ft × 25 ft × 10 ft is being organized by 4 people, how many BTUs per cubic foot do they produce in 4 hours? (to the nearest tenth)
2 answers:
There is 650 BTUs per hour/person and 4 people so that is a total of 2600 BTUs. In 4 hours it would be a total of 10400 BTUs. The volume of the storage room is 20 x25 x10 ft or 5000 cu ft. So 10400/5000 = 2.08 BTUs per cubic foot.
Answer:
you are correct but you'll have to round it because the answer doesn't show that so it'll be 2.1 BTUs/ft3
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10 equal parts. that is the answer
Answer:
wilma is 22.5 mph
fred is 25.5 mph
Step-by-step explanation:
Time:40 minutes, or 2/3 hours
Speed:
Fred:x+3
Wilma: x
Distance:32 miles
2/3(x+x+3)=32
2/3(2x+3)=32
1 1/3x+2=32
4/3x=30
x=22.5
wilma is 22.5 mph
fred is 22.5+3= 25.5 mph
V = L * W * H
